10 Stomach-Churning Pictures Of A Glass Room 1000 Metres Above The Alps

Look down if you dare - this glass floor will give you goosebumps. The Chamonix Skywalk is a five-sided glass structure installed on the top terrace of the Aiguille du Midi mountain, with a 1,000 metre drop below.

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Robert Pratta / Reuters

A journalist, wearing slippers to protect the glass floor, stands in the 'Step into the Void' installation during a press visit at the Aiguille du Midi mountain peak above Chamonix, in the French Alps, December 17, 2013.

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Robert Pratta / Reuters

View looking downwards from the 'Step into the Void' installation during a press visit at the Aiguille du Midi mountain peak above Chamonix, in the French Alps.

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Robert Pratta / Reuters

View of the 'Step into the Void' installation at the Aiguille du Midi mountain peak above Chamonix, in the French Alps.

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Robert Pratta / Reuters

Journalists and employees, wearing slippers to protect the glass floor, stand in the 'Step into the Void' installation.

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Robert Pratta / Reuters

A man stands in the 'Step into the Void' installation during a press visit at the Aiguille du Midi mountain peak above Chamonix, in the French Alps.

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Robert Pratta / Reuters

The Chamonix Skywalk is a five-sided glass structure installed on the top terrace of the Aiguille du Midi (3842m), with a 1,000 metre drop below.

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Robert Pratta / Reuters

The glass room will open to the public on December 21, 2013.

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Robert Pratta / Reuters

Visitors can step out from the terrace, giving the visitors the impression of standing in the void.

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Robert Pratta / Reuters

View of the 'Step into the Void' installation at the Aiguille du Midi mountain peak above Chamonix, in the French Alps, December 17, 2013.

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Robert Pratta / Reuters

Employees gaze out to the surrounding mountain peaks as they stand in the 'Step into the Void' installation.